<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>页面未找到 - 企业门户网站</title>
    <!-- Bootstrap 5 CSS -->
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/css/bootstrap.min.css" rel="stylesheet">
    <!-- 字体图标 -->
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css">
    <!-- 自定义CSS -->
    <link href="css/style.css" rel="stylesheet">
</head>

<body>
    <!-- 导航栏 -->
    <nav class="navbar navbar-expand-lg navbar-dark bg-primary sticky-top">
        <div class="container">
            <a class="navbar-brand" href="index.html">
                <i class="bi bi-building"></i> 企业名称
            </a>
            <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav">
                <span class="navbar-toggler-icon"></span>
            </button>
            <div class="collapse navbar-collapse" id="navbarNav">
                <ul class="navbar-nav me-auto">
                    <li class="nav-item">
                        <a class="nav-link" href="index.html">首页</a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link" href="about.html">关于我们</a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link" href="products.html">产品中心</a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link" href="news.html">新闻中心</a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link" href="contact.html">联系我们</a>
                    </li>
                </ul>
                <form class="d-flex">
                    <input class="form-control me-2" type="search" placeholder="搜索...">
                    <button class="btn btn-outline-light" type="submit">
                        <i class="bi bi-search"></i>
                    </button>
                </form>
            </div>
        </div>
    </nav>

    <!-- 主要内容 -->
    <main class="container my-5">
        <div class="row justify-content-center">
            <div class="col-lg-8 text-center py-5 my-5">
                <div class="error-icon mb-4">
                    <i class="bi bi-exclamation-triangle-fill text-danger" style="font-size: 5rem;"></i>
                </div>
                <h1 class="display-1 fw-bold text-danger mb-4">404</h1>
                <h2 class="mb-4">页面未找到</h2>
                <p class="lead mb-5">抱歉，您访问的页面不存在或已被移除。请检查URL是否正确，或返回首页继续浏览。</p>
                <div class="d-flex justify-content-center gap-3">
                    <a href="index.html" class="btn btn-primary btn-lg">
                        <i class="bi bi-house-door me-2"></i>返回首页
                    </a>
                    <a href="contact.html" class="btn btn-outline-primary btn-lg">
                        <i class="bi bi-headset me-2"></i>联系客服
                    </a>
                </div>
            </div>
        </div>
    </main>

    <!-- 页脚 -->
    <footer class="bg-dark text-white py-5">
        <div class="container">
            <div class="row">
                <div class="col-md-4 mb-4 mb-md-0">
                    <h5>关于我们</h5>
                    <p>企业简介文字，介绍企业的基本情况、主营业务和发展方向。</p>
                    <div class="social-icons">
                        <a href="#" class="text-white me-2"><i class="bi bi-facebook"></i></a>
                        <a href="#" class="text-white me-2"><i class="bi bi-twitter"></i></a>
                        <a href="#" class="text-white me-2"><i class="bi bi-linkedin"></i></a>
                        <a href="#" class="text-white"><i class="bi bi-instagram"></i></a>
                    </div>
                </div>
                <div class="col-md-2 mb-4 mb-md-0">
                    <h5>快速链接</h5>
                    <ul class="list-unstyled">
                        <li><a href="index.html" class="text-white">首页</a></li>
                        <li><a href="about.html" class="text-white">关于我们</a></li>
                        <li><a href="products.html" class="text-white">产品中心</a></li>
                        <li><a href="news.html" class="text-white">新闻中心</a></li>
                        <li><a href="contact.html" class="text-white">联系我们</a></li>
                    </ul>
                </div>
                <div class="col-md-3 mb-4 mb-md-0">
                    <h5>联系方式</h5>
                    <ul class="list-unstyled">
                        <li><i class="bi bi-geo-alt me-2"></i> 北京市朝阳区某某路123号</li>
                        <li><i class="bi bi-telephone me-2"></i> 010-12345678</li>
                        <li><i class="bi bi-envelope me-2"></i> info@company.com</li>
                    </ul>
                </div>
                <div class="col-md-3">
                    <h5>订阅我们</h5>
                    <p>订阅我们的新闻通讯，获取最新产品信息和行业动态。</p>
                    <form>
                        <div class="input-group mb-3">
                            <input type="email" class="form-control" placeholder="您的邮箱">
                            <button class="btn btn-primary" type="button">订阅</button>
                        </div>
                    </form>
                </div>
            </div>
            <hr class="my-4">
            <div class="row">
                <div class="col-md-6 text-center text-md-start">
                    <p class="mb-0">&copy; 2023 企业名称. 保留所有权利.</p>
                </div>
                <div class="col-md-6 text-center text-md-end">
                    <p class="mb-0">
                        <a href="#" class="text-white me-3">隐私政策</a>
                        <a href="#" class="text-white">使用条款</a>
                    </p>
                </div>
            </div>
        </div>
    </footer>

    <!-- Bootstrap 5 JS 和依赖 -->
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/js/bootstrap.bundle.min.js"></script>
    <!-- 自定义JS -->
    <script src="js/script.js"></script>
</body>

</html>